Respuesta:
-8
Explicación paso a paso:
[tex] \frac{18}{a} = \frac{a}{8} \\ 144 = a {}^{2} \\ 12 = a[/tex]
[tex]a + b = 32 \\ b = 32 - 12 \\ b = 20[/tex]
Razón aritmética
a-b=r
12 - 20 = -8
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Respuesta:
-8
Explicación paso a paso:
[tex] \frac{18}{a} = \frac{a}{8} \\ 144 = a {}^{2} \\ 12 = a[/tex]
[tex]a + b = 32 \\ b = 32 - 12 \\ b = 20[/tex]
Razón aritmética
a-b=r
12 - 20 = -8